INDEX. 
399 
Prcnanlhes, 178. 
Primula, 241. 
Primulacex, 240. 
Prunella, 232. 
Primus, 86. 
Pteris, 390. 
Pier is, 383. 
Pulicaria, 158. 
Pulmonaria, 207. 
Pyrethrum, 102. 
Pyrola, 195. 
Pyrola, 196. 
Pyrus, 102. 
Quercus, 2S3. 
Radiola, 64. 
Banunculaces, 1. 
Ranunculus, 5. 
Raphanus, 30. 
Reseda, 31. 
Resedaceae, 31. 
Restiaceae, 309. 
Rhamneae, 66. 
Rhamnus, 66. 
Rhinanthus, 220. 
Rhodiola, 113. 
Rhynchospora, 32 S. 
Rhytispcrmum, 207. 
Ribes, 115. 
Robertsonia, 116. 
Roemeria, 12. 
Rosa, 98. 
Rosacea;, S4. 
Rottboellia, 37S. 
Rubia, 145. 
Rubiaceae, 141. 
Rubus, 92. 
Rumex, 254. 
Ruppia, 326. 
Ruscus, 302. 
Sagina, 45. 
Sagittaria, 318. 
Salicornia, 251. 
Salix, 270. 
Salsola, 249. 
Sa/soht, 249. 
Salvia, 230. 
Sambucus, 140. 
Samolus, 244. 
Sanguisorba, 88. 
Sanicula, 125. 
Santalaceae, 261. 
Saponaria, 41. 
Sarothamnus, 69. 
Saussurea, 168. 
Saxifraga, 1 16. 
Saxil'rageae, 116. 
Scabiosa, 149. 
Scandix, 135. 
Scheuchzeria, 3 IS. 
Scboberia, 249. 
Schcenus, 328. 
Scilla, 305. 
Scillu, 303. 
Scirpus, 329. 
Scleranthus, 112. 
Sclerochloa, 370. 
Scolopendrium, 3S9. 
Scolopendrium, 3S9. 
Scrophularia, 2 IS. 
Scrophularineae, 215. 
Scutellaria, 232. 
Sedum, 113. 
Sempervivum, 114. 
Senebiera, 30. 
Senecio, 166. 
Serrafalcus, 374. 
Serratula, 174. 
Seseti, 132. 
Sesleria, 362. 
Setaria, 356. 
Sherardia, 142. 
Sibbaldia, 90. 
Sibthorpia, 222. 
Silaus, 132. 
Silene, 42. 
Silybum, 174. 
Sinapis, 24. 
Sinnpis, 24, 25. 
Sison, 12S. 
Sisymbrium, 23. 
Sisymbrium, 23. 
Sium, 129. 
Smyrnium, 137. 
Solaneae, 209. 
Solanum, 210. 
Solidago, 157. 
Soncbus, IS 1. 
Sonchus, 181. 
Sparganium, 320. 
Spartina, 362. 
Spartium, 69. 
Specularia, 1S9. 
Spergula, 46. 
Spiraea, 87. 
Spiranthes, 294. 
Spirodela, 321. 
Stachys, 235. 
Staphylea, 65. 
Statice, 244. 
Steenhammera, 207. 
Stellaria, 47. 
Stipa, 361. 
Stratiotes, 2S7. 
Sturmia, 297. 
Stitrmia, 359. 
Subularia, 30. 
Swertia, 201. 
Symphytum, 206. 
Tamariscineae, 37. 
Tamarix, 37. 
Tameae, 300. 
Tamus, 300. 
Tanacetum, 163. 
Taraxacum, 179. 
Taxus, 285. 
Teesdalia, 2S. 
Telmatophuce, 321. 
Teucrium, 237. 
Thalamiflorae, 1. 
Thalictrum, 3. 
Thesium, 261. 
Thlaspi, 28. 
Thrincia, 176. 
Thymeleae, 260. 
Thymus, 230. 
Thymus, 231. 
Tilia, 50. 
Tiliaceae, 56. 
Tillasa, 112. 
Tofieldia, 309. 
Tordylium, 134. 
Torilis, 135. 
Tormentilla, 91. 
Tragopogon, 177. 
Trichomanes, 390. 
Trichonema, 29S. 
Trientalis, 244. 
Trifolium, 72. 
Triglochin, 319. 
Trigonella, 74. 
Trinia, 127. 
Triodia, 365. 
Tripolium, 157. 
Trisetum, 364. 
Triticum, 376. 
Triticum, 371. 
